import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login.vue";
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Goods from '../components/goods/Goods.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import  Report from '../components/report/Report.vue'

Vue.use(VueRouter);

const routes = [
  { path: '/', redirect: '/login' },
  {
    path: "/login",
    component: Login,
  },
  {
    path: "/home",
    component: Home,
    redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:Users},
      {path:'/rights',component:Rights},
      {path:'/roles',component:Roles},
      {path:'/categories',component:Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:Goods},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report}
    ]
  },
];

const router = new VueRouter({
  mode: "history",
  base: process.env.BASE_URL,
  routes,
});

// 挂载路由导航守卫
router.beforeEach((to,from,next) => {
  // to将要访问的路径
  // from戴白哦从哪个路径跳转而来
  // next是一个函数，表示放行
  // next（） 放行 next（'/login'）强制跳转

  if(to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr)return next('/login')
  next()
})

export default router;
